22649381506 has 8 divisors (see below), whose sum is σ = 34009208640. Its totient is φ = 11312978628.

The previous prime is 22649381477. The next prime is 22649381507. The reversal of 22649381506 is 60518394622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22649381507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5853646 + ... + 5857513.

It is an arithmetic number, because the mean of its divisors is an integer number (4251151080).

Almost surely, 2^22649381506 is an apocalyptic number.

22649381506 is a deficient number, since it is larger than the sum of its proper divisors (11359827134).

22649381506 is a wasteful number, since it uses less digits than its factorization.

22649381506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11712128.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 22649381506 in words is "twenty-two billion, six hundred forty-nine million, three hundred eighty-one thousand, five hundred six".